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(english) A primitive furnace used for direct reduction of ore to iron.
(Environmental Engineering) A fabric filter device used to remove particulate air pollutants.
(Concrete Engineering) In prestress concrete, the device used to stress the tendons.
(english) Stress acting parallel to an imaginary plane cut through an object.
(english) A set of bolts or screws that ore selected to suit a particular application, i.e. pre-selected length, threads and strength to match the mounted component.
(english) A structure is said to behave linearly when its the deformation response is directly proportional to the loading (i.e. doubling the load doubles the displacement response). For a material, linear means that the stress is directly proportional to the strain.
(Environmental Engineering) A waste which; 1) reacts violently with water, 2) forms potentially explosive mixtures with water, 3) is normally unstable, 4) contains cyanide or sulfide in sufficient quantity to evolve toxic fumes at high or low pH, 5) is capable of exploding if heated under pressure, or 6) is an explosive compound listed in Department of Transportation (DoT) regulations. One of EPA's four hazardous waste properties.
(Concrete Engineering) Microscopic air bubbles intentionally incorporated in mortar or concrete, to improve workability and durability (usually imparting a higher degree of resistance to freezing and thawing).
(english) A vector quantity equal to the rate that position changes with time.
(english) A definition applying to material which has been permanently damaged by over-heating.
(Environmental Engineering) Organic compounds with two hydrocarbon groups bonded to a carbonyl group.
(english) Firing a mold at a high temperature to remove pattern material residue.